Chemistry Unit (IQWST IC2): Lessons 1-5

Front

What is the ability for a solid to dissolve in a liquid called?

Back

Solubility

Front

What is the temperature at which a solid substance starts to become a liquid?

Back

Melting Point

Front

A mixture is made up of more than one ____________?

Back

substance

Front

What does a mixture made of atoms represent?

Back

A combination of different substances.

Front

What is a substance?

Back

A substance is made of only one type of material (atoms or molecules) all the way through.

Front

What is the boiling point?

Back

The temperature at which a liquid turns into a gas.

Front

What is density?

Back

Density is the mass of a substance divided by its volume.

Front

What is the difference between a mixture and a compound?

Back

A mixture is made of two or more substances that are not chemically combined, while a compound is a substance formed when two or more elements are chemically bonded.

Front

What is an atom?

Back

An atom is the smallest unit of a chemical element, consisting of protons, neutrons, and electrons.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.